What are blokbuster and arthouse movies?

Blockbusters:
Blockbusters are movies with famous celebrities from which is expected that it will bring a lot of people to watch it. Like one who gets in the first week after the Premiere a lot of visitors in the cinema. So when a tv-channel plays a movie, they expect to get a lot of views.
Blockbusters are also expected to be longer in cinema' s than other movies.
Example: Twilight.

Arthouse Movies:
Arthouse movies is the result of filmmaking which have serious, independant films which are aimed at a 'nirche market' instead of a mass market audience.
Film critics and studies define Art films as ''canon of films and those formal qualities that mark them as different from mainstream Hollywood films".
Art  film producers usually present their films at specialty theatres and film festivals. The term art film is much more widely used in the United States and the UK than in Europe, where the term is more associated with ''auteur films and ''national cinema''.
Example: This is not a Film. (I don't know the movie myself because I don't know any arthouse movies.)


Differences:
- Arthouse movies are aimed at a small market instead of the mass market audience.
- Arthouse movies are made with less money than Blockbusters.
- Arthouse movies are presented at specialty theatres and film festivals instead of big cinema's like the blockbusters.
- With Arthouse movies, a certain degree of experience and knowledge are required to understand or appreciate those films.
- Blockbusters are presented world wide, and Arthouse movies not.
- Film scolars claim that ‘Art Cinema’ is a film genre itself.
- For blockbusters, they make commercials and posters to atrract people all over the street, Arthouse movies don’t usually have that.
- Arthouse movies rely on the publicity generated from film critics' reviews, discussion of their film by arts columnists, commentators and bloggers, and "word-of-mouth" promotion by audience members.
- Blockbusters are geared more towards escapism and pure entertainment.
- Because Arthouse movies are made with a lower budget, they don’t have expensive special effects and famous celebrities.